| Hart County Schools, KY (District) |
| Hart ISD, TX (District) |
| Hart Public School District, MI (District) |
| Hart ROP, CA (District) |
| Hart-Ransom Union Elementary, CA (District) |
| Hart'S Location School District, NH (District) |
| Hartford Central School District, NY (District) |
| Hartford County, CT (ISD) |
| Hartford J1 School District, WI (District) |
| Hartford Public Schools, MI (District) |
| Hartford School District, CT (District) |
| Hartford School District, AR (District) |
| Hartford Uhs School District, WI (District) |
| Hartington Public Schools, NE (District) |
| Hartland Consolidated Schools, MI (District) |
